EP2594741A3 - Diffuseur, en particulier pour une machine à flux axial - Google Patents

Diffuseur, en particulier pour une machine à flux axial Download PDF

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Publication number
EP2594741A3
EP2594741A3 EP12191495.6A EP12191495A EP2594741A3 EP 2594741 A3 EP2594741 A3 EP 2594741A3 EP 12191495 A EP12191495 A EP 12191495A EP 2594741 A3 EP2594741 A3 EP 2594741A3
Authority
EP
European Patent Office
Prior art keywords
diffuser
flow
axial flow
flow machine
sectional area
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP12191495.6A
Other languages
German (de)
English (en)
Other versions
EP2594741A2 (fr
Inventor
Willy Heinz Hofmann
Armin Busekros
Thomas Peter Sommer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ansaldo Energia Switzerland AG
Original Assignee
Ansaldo Energia Switzerland AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ansaldo Energia Switzerland AG filed Critical Ansaldo Energia Switzerland AG
Publication of EP2594741A2 publication Critical patent/EP2594741A2/fr
Publication of EP2594741A3 publication Critical patent/EP2594741A3/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D9/00—Stators
    • F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D1/00—Non-positive-displacement machines or engines, e.g. steam turbines
    • F01D1/02—Non-positive-displacement machines or engines, e.g. steam turbines with stationary working-fluid guiding means and bladed or like rotor, e.g. multi-bladed impulse steam turbines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/16—Arrangement of bearings; Supporting or mounting bearings in casings
    • F01D25/162—Bearing supports
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D9/00—Stators
    • F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
    • F01D9/04—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2260/00—Function
    • F05D2260/60—Fluid transfer
    • F05D2260/601—Fluid transfer using an ejector or a jet pump

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
EP12191495.6A 2011-11-17 2012-11-06 Diffuseur, en particulier pour une machine à flux axial Withdrawn EP2594741A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102011118735A DE102011118735A1 (de) 2011-11-17 2011-11-17 Diffusor, insbesondere für eine axiale strömungsmaschine

Publications (2)

Publication Number Publication Date
EP2594741A2 EP2594741A2 (fr) 2013-05-22
EP2594741A3 true EP2594741A3 (fr) 2017-08-23

Family

ID=47215404

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12191495.6A Withdrawn EP2594741A3 (fr) 2011-11-17 2012-11-06 Diffuseur, en particulier pour une machine à flux axial

Country Status (6)

Country Link
US (1) US20130129498A1 (fr)
EP (1) EP2594741A3 (fr)
JP (2) JP2013108498A (fr)
CN (1) CN103122776B (fr)
DE (1) DE102011118735A1 (fr)
RU (1) RU2569015C2 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2896793B1 (fr) 2014-01-21 2024-08-28 Ansaldo Energia Switzerland AG Procédé de fonctionnement d'un ensemble de turbine à gaz et ledit ensemble
EP2947283B1 (fr) 2014-05-23 2017-01-11 GE Energy Products France SNC Structure d'isolation thermo-acoustique pour échappement de machine tournante
EP3023695A1 (fr) * 2014-11-20 2016-05-25 Siemens Aktiengesellschaft Machine à énergie thermique
FR3029568B1 (fr) * 2014-12-05 2016-11-18 Turbomeca Plenum d'alimentation en air
US10563543B2 (en) * 2016-05-31 2020-02-18 General Electric Company Exhaust diffuser
RU2632354C1 (ru) * 2016-12-01 2017-10-04 Открытое акционерное общество "Научно-производственное объединение по исследованию и проектированию энергетического оборудования им. И.И. Ползунова" (ОАО "НПО ЦКТИ") Двухпоточный цилиндр низкого давления паровой турбины
US11291938B2 (en) 2016-12-16 2022-04-05 General Electric Technology Gmbh Coanda effect moisture separator system
KR102350377B1 (ko) * 2020-03-20 2022-01-14 두산중공업 주식회사 유동박리 현상을 줄이는 배기 디퓨저의 허브 구조
US11840937B2 (en) 2021-12-17 2023-12-12 Pratt & Whitney Canada Corp. Diffuser nozzle for a gas turbine engine

Citations (4)

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Publication number Priority date Publication date Assignee Title
US2637972A (en) * 1948-04-09 1953-05-12 Mcdonnell Aircraft Corp Afterburner for turbojet engines and the like
US5230656A (en) * 1992-08-05 1993-07-27 Carrier Corporation Mixer ejector flow distributor
US20110058939A1 (en) * 2009-06-02 2011-03-10 John Orosa Turbine exhaust diffuser with a gas jet producing a coanda effect flow control
US20110088379A1 (en) * 2009-10-15 2011-04-21 General Electric Company Exhaust gas diffuser

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CA486078A (fr) * 1950-04-27 1952-08-26 W. Kellal George Controle d'espace de sortie pour moteurs thermopropulseurs
US2828603A (en) * 1948-04-09 1958-04-01 Westinghouse Electric Corp Afterburner for turbo jet engines and the like
DE1062066B (de) * 1952-10-15 1959-07-23 Nat Res Dev Einrichtung, insbesondere fuer Gasturbinen-anlagen zum Verbrennen von gasfoermigem oder verdampftem Brennstoff
CH484358A (de) * 1968-02-15 1970-01-15 Escher Wyss Ag Abströmgehäuse einer axialen Turbomaschine
US3625630A (en) * 1970-03-27 1971-12-07 Caterpillar Tractor Co Axial flow diffuser
DE2558840C2 (de) * 1975-12-27 1983-03-24 Klein, Schanzlin & Becker Ag, 6710 Frankenthal Einrichtung zur Verminderung des Kavitationsverschleisses
US4272955A (en) * 1979-06-28 1981-06-16 General Electric Company Diffusing means
DE3168712D1 (de) * 1980-03-10 1985-03-21 Rolls Royce Diffusion apparatus
SU1000558A1 (ru) * 1981-04-03 1983-02-28 Донецкий Ордена Трудового Красного Знамени Политехнический Институт Диффузор
JPS58127120U (ja) * 1982-02-23 1983-08-29 防衛庁技術研究本部長 高温ガス排気管の出口部構造
SU1657672A1 (ru) * 1986-07-28 1991-06-23 Производственное объединение "Невский завод" им.В.И.Ленина Диффузор турбомашины
CH672004A5 (fr) 1986-09-26 1989-10-13 Bbc Brown Boveri & Cie
US5110560A (en) * 1987-11-23 1992-05-05 United Technologies Corporation Convoluted diffuser
US4971768A (en) * 1987-11-23 1990-11-20 United Technologies Corporation Diffuser with convoluted vortex generator
US4923370A (en) * 1988-11-28 1990-05-08 Allied-Signal Inc. Radial turbine wheel
EP0491966B1 (fr) 1990-12-10 1994-11-30 Asea Brown Boveri Ag Dispositif de support d'une turbomachine thermique
US5487266A (en) * 1992-05-05 1996-01-30 General Electric Company Combustion control for producing low NOx emissions through use of flame spectroscopy
JP3564420B2 (ja) * 2001-04-27 2004-09-08 三菱重工業株式会社 ガスタービン
EP1262637A1 (fr) * 2001-05-31 2002-12-04 ALSTOM (Switzerland) Ltd Méthode et dispositif pour une centrale de turbine à gaz
JP4929217B2 (ja) * 2008-03-28 2012-05-09 三菱重工業株式会社 ガスタービンおよびガスタービンの中間軸ならびにガスタービン圧縮機の冷却方法
US8061983B1 (en) * 2008-06-20 2011-11-22 Florida Turbine Technoligies, Inc. Exhaust diffuser strut with stepped trailing edge
US8313286B2 (en) * 2008-07-28 2012-11-20 Siemens Energy, Inc. Diffuser apparatus in a turbomachine
US8337153B2 (en) * 2009-06-02 2012-12-25 Siemens Energy, Inc. Turbine exhaust diffuser flow path with region of reduced total flow area
DE102010024091B4 (de) * 2010-06-17 2012-10-04 Esg Mbh Mischer
EP2407638A1 (fr) * 2010-07-15 2012-01-18 Siemens Aktiengesellschaft Diffuseur de gaz d'échappement pour un turbine à gaz et procédé de fonctionnement d'une turbine à gaz dotée d'un tel diffuseur de gaz d'échappement
US9109466B2 (en) * 2011-07-22 2015-08-18 The Board Of Trustees Of The Leland Stanford Junior University Diffuser with backward facing step having varying step height
PL220635B1 (pl) * 2011-10-03 2015-11-30 Gen Electric Dyfuzor gazu wydechowego i turbina zawierająca dyfuzor gazu wydechowego
US20130091865A1 (en) * 2011-10-17 2013-04-18 General Electric Company Exhaust gas diffuser

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2637972A (en) * 1948-04-09 1953-05-12 Mcdonnell Aircraft Corp Afterburner for turbojet engines and the like
US5230656A (en) * 1992-08-05 1993-07-27 Carrier Corporation Mixer ejector flow distributor
US20110058939A1 (en) * 2009-06-02 2011-03-10 John Orosa Turbine exhaust diffuser with a gas jet producing a coanda effect flow control
US20110088379A1 (en) * 2009-10-15 2011-04-21 General Electric Company Exhaust gas diffuser

Also Published As

Publication number Publication date
JP6188885B2 (ja) 2017-08-30
JP2013108498A (ja) 2013-06-06
CN103122776B (zh) 2016-02-10
US20130129498A1 (en) 2013-05-23
RU2569015C2 (ru) 2015-11-20
RU2012148919A (ru) 2014-05-27
JP2016180412A (ja) 2016-10-13
EP2594741A2 (fr) 2013-05-22
DE102011118735A1 (de) 2013-05-23
CN103122776A (zh) 2013-05-29

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